The question is in the photo, I'm new so after your done tell me if I should put in more points!

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?